Incidental Mutation 'R1323:Mtnr1b'
ID 172458
Institutional Source Beutler Lab
Gene Symbol Mtnr1b
Ensembl Gene ENSMUSG00000050901
Gene Name melatonin receptor 1B
Synonyms Mel1b, Mt2
MMRRC Submission 039389-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1323 (G1)
Quality Score 225
Status Not validated
Chromosome 9
Chromosomal Location 15773910-15785852 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 15774432 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Serine at position 209 (F209S)
Ref Sequence ENSEMBL: ENSMUSP00000138524 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000057920] [ENSMUST00000182947]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000057920
AA Change: F209S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000053086
Gene: ENSMUSG00000050901
AA Change: F209S

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 48 254 3.7e-11 PFAM
Pfam:7TM_GPCR_Srsx 51 323 2.6e-12 PFAM
Pfam:7tm_1 57 308 3.4e-47 PFAM
Pfam:7TM_GPCR_Srv 59 317 1.1e-7 PFAM
low complexity region 348 359 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000182947
AA Change: F209S

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000138524
Gene: ENSMUSG00000050901
AA Change: F209S

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 48 264 1.8e-10 PFAM
Pfam:7TM_GPCR_Srsx 51 323 2.6e-12 PFAM
Pfam:7tm_1 57 308 1.4e-50 PFAM
Pfam:7TM_GPCR_Srv 59 319 7.5e-8 PFAM
low complexity region 348 359 N/A INTRINSIC
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.0%
  • 10x: 95.1%
  • 20x: 88.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of two high affinity forms of a receptor for melatonin, the primary hormone secreted by the pineal gland. This gene product is an integral membrane protein that is a G-protein coupled, 7-transmembrane receptor. It is found primarily in the retina and brain although this detection requires RT-PCR. It is thought to participate in light-dependent functions in the retina and may be involved in the neurobiological effects of melatonin. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a knock-out allele are viable and fertile and display no obvious circadian phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 23 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 C A 11: 9,240,937 (GRCm39) F933L possibly damaging Het
Abcc8 T G 7: 45,766,786 (GRCm39) Q998P probably benign Het
Akr1e1 C T 13: 4,657,547 (GRCm39) G17E probably damaging Het
Ankrd44 A G 1: 54,805,609 (GRCm39) probably benign Het
D630045J12Rik T C 6: 38,125,443 (GRCm39) I1524V probably damaging Het
Elovl1 T C 4: 118,288,851 (GRCm39) L103P possibly damaging Het
Emsy T C 7: 98,259,864 (GRCm39) probably benign Het
Fam171a2 T G 11: 102,334,951 (GRCm39) D62A probably damaging Het
Firrm C A 1: 163,783,030 (GRCm39) probably benign Het
Frzb G A 2: 80,243,720 (GRCm39) P320S probably benign Het
Fsip2 G T 2: 82,816,096 (GRCm39) G3943V probably damaging Het
Ftdc1 G A 16: 58,437,278 (GRCm39) P10L possibly damaging Het
Grm8 A G 6: 28,125,973 (GRCm39) L51P probably damaging Het
H2af-ps2 T G 13: 51,357,100 (GRCm39) noncoding transcript Het
Hnf4g T C 3: 3,699,281 (GRCm39) S4P possibly damaging Het
Megf8 T A 7: 25,059,527 (GRCm39) probably null Het
Nckipsd G A 9: 108,689,778 (GRCm39) R313Q probably damaging Het
Nrbp1 T A 5: 31,403,157 (GRCm39) I210N probably damaging Het
Paqr5 C T 9: 61,868,810 (GRCm39) probably null Het
S100a14 T C 3: 90,435,043 (GRCm39) V18A probably damaging Het
Sycp2 A T 2: 177,989,414 (GRCm39) S1441R possibly damaging Het
Vmn2r101 G A 17: 19,832,313 (GRCm39) D770N probably damaging Het
Zfp600 A G 4: 146,133,261 (GRCm39) Y643C probably damaging Het
Other mutations in Mtnr1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01548:Mtnr1b APN 9 15,774,496 (GRCm39) missense probably damaging 1.00
IGL02041:Mtnr1b APN 9 15,774,589 (GRCm39) missense probably benign 0.01
IGL02054:Mtnr1b APN 9 15,785,536 (GRCm39) missense possibly damaging 0.93
IGL02147:Mtnr1b APN 9 15,774,672 (GRCm39) missense probably damaging 0.96
IGL02620:Mtnr1b APN 9 15,785,617 (GRCm39) missense possibly damaging 0.47
IGL03046:Mtnr1b UTSW 9 15,774,059 (GRCm39) missense probably benign 0.00
R0362:Mtnr1b UTSW 9 15,785,600 (GRCm39) missense probably damaging 1.00
R0784:Mtnr1b UTSW 9 15,774,081 (GRCm39) missense probably benign 0.17
R1323:Mtnr1b UTSW 9 15,774,432 (GRCm39) missense probably damaging 1.00
R1572:Mtnr1b UTSW 9 15,774,438 (GRCm39) missense probably damaging 0.99
R1600:Mtnr1b UTSW 9 15,774,615 (GRCm39) missense probably damaging 0.99
R2880:Mtnr1b UTSW 9 15,774,102 (GRCm39) missense probably damaging 1.00
R2932:Mtnr1b UTSW 9 15,785,620 (GRCm39) missense probably damaging 0.97
R4033:Mtnr1b UTSW 9 15,774,830 (GRCm39) missense probably damaging 1.00
R5532:Mtnr1b UTSW 9 15,774,210 (GRCm39) missense probably benign
R5765:Mtnr1b UTSW 9 15,774,459 (GRCm39) missense probably damaging 1.00
R5775:Mtnr1b UTSW 9 15,774,168 (GRCm39) missense possibly damaging 0.73
R5893:Mtnr1b UTSW 9 15,774,540 (GRCm39) missense probably damaging 0.98
R6025:Mtnr1b UTSW 9 15,774,093 (GRCm39) missense probably damaging 1.00
R6247:Mtnr1b UTSW 9 15,774,082 (GRCm39) missense probably benign
R6349:Mtnr1b UTSW 9 15,774,509 (GRCm39) nonsense probably null
R6364:Mtnr1b UTSW 9 15,774,300 (GRCm39) missense possibly damaging 0.63
R7485:Mtnr1b UTSW 9 15,774,590 (GRCm39) nonsense probably null
R8114:Mtnr1b UTSW 9 15,785,563 (GRCm39) missense probably damaging 0.98
R8707:Mtnr1b UTSW 9 15,785,809 (GRCm39) start gained probably benign
R8750:Mtnr1b UTSW 9 15,785,724 (GRCm39) nonsense probably null
R9405:Mtnr1b UTSW 9 15,774,447 (GRCm39) missense possibly damaging 0.63
R9442:Mtnr1b UTSW 9 15,785,660 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- ACTGCAAGGCCGATACAGTTGAG -3'
(R):5'- CTGCTGCATCTGTCATAGTACCACC -3'

Sequencing Primer
(F):5'- CCGATACAGTTGAGGGGGG -3'
(R):5'- TAGTACCACCTACCACCGGG -3'
Posted On 2014-04-24